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Stairwell pressurisation companies in United States
Filtered fire safety companies in United States, on the OpenFire directory.
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Air Balance Co.
AABC-certified independent testing and balancing, including smoke control.
Testing & certification 21–100 people 1 officeMechanical smoke extract Stairwell pressurisationCovina, California View firm -
Big City Balancing
ICB/TABB smoke control systems technicians in New York City.
Contractor 6–20 people 1 officeMechanical smoke extract Stairwell pressurisationNew York, New York View firm -
Geary Engineering
Smoke control special inspection to IFC 909 and NFPA 92 Chapter 8.
Consultancy 21–100 people 1 officeMechanical smoke extract Stairwell pressurisationLincoln, Nebraska View firm -
Integra Testing Services
National TAB and commissioning firm with an ICB/TABB smoke-control certification.
Contractor 100+ people 6 officesMechanical smoke extract Stairwell pressurisationMentor, Ohio · HQ View firm -
LFSystems
Active compensated stairwell pressurisation controls.
Manufacturer 6–20 people 1 officeMechanical smoke extract Stairwell pressurisationFort Worth, Texas View firm -
MacDonald-Miller Facility Solutions
Smoke-control and Seattle SC-1 pressurisation testing across the Pacific North West.
Contractor 100+ people 5 officesMechanical smoke extract Stairwell pressurisationSeattle, Washington · HQ View firm -
Rigsbee Engineering
LADBS-deputized smoke control special inspectors in Orange County.
Consultancy 6–20 people Est. 2016 1 officeMechanical smoke extract Stairwell pressurisationTustin, California View firm -
Systems Commissioning, Inc.
One of two Texas holders of the ICB/TABB smoke-control contractor certification.
Contractor 21–100 people 1 officeMechanical smoke extract Stairwell pressurisationHouston, Texas View firm -
Zari Consulting Group
Smoke-control design and special inspection led by licensed fire protection engineers.
Consultancy 21–100 people 5 officesMechanical smoke extract Natural smoke ventilation Stairwell pressurisationPetaluma, California · HQ View firm